CVE-2021-20300

A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 30%
VendorProductVersion
openexropenexr
𝑥
< 2.5.4
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openexr
bullseye (security)
2.5.4-2+deb11u1
fixed
bullseye
2.5.4-2+deb11u1
fixed
bookworm
3.1.5-5
fixed
sid
3.1.5-5.1
fixed
trixie
3.1.5-5.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openexr
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562
https://bugzilla.redhat.com/show_bug.cgi?id=1939153
https://github.com/AcademySoftwareFoundation/openexr/pull/836
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562
https://bugzilla.redhat.com/show_bug.cgi?id=1939153
https://github.com/AcademySoftwareFoundation/openexr/pull/836
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html